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1301“…A density matrix that is not pure can arise, via averaging, from many different distributions of the wave function. This raises the question, which distribution of the wave function, if any, should be regarded as corresponding to systems in thermal equilibrium as represented, for example, by the density matrix $\rho_\beta = (1/Z) \exp(- \beta H)$ of the canonical ensemble. …”
Enlace del recurso
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1302
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1303
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1304
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1305
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1306
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1307por Wuensch, Walter“…The accelerating gradient limit given by rf breakdown in normal conducting traveling-wave structures has been observed to variously depend on a number of parameters including surface electric field, pulse length, power flow and group velocity. …”
Publicado 2006
Enlace del recurso
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1308
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1309
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1310
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1311por CERN PhotoLab“…For a more detailed description of the travelling-wave structure and SPS acceleration, see 7411032, for the view of a whole tank, see 7411033.…”
Publicado 1978
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1312
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1313“…These seamless coated quarter wave resonators have shown some of the highest Q-values of all HIE-ISOLDE cavities in the acceptance tests. …”
Enlace del recurso
Enlace del recurso
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1314“…Analytical expressions for scaling of brain wave spectra derived from the general non-linear wave Hamiltonian form show excellent agreement with experimental “neuronal avalanche” data. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
1315
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1316por Maier, Benjamin F, Burdinski, Angelique, Wiedermann, Marc, Rose, Annika H, Schlosser, Frank, an der Heiden, Matthias, Wichmann, Ole, Harder, Thomas, Brockmann, Dirk“…The methodology developed in this study might be used to estimate the impact of future waves of COVID-19 or other infectious diseases.…”
Publicado 2023
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
1317
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1318por Wu, Ying, Lu, Jiuyang, Huang, Xueqin, Yang, Yating, Luo, Li, Yang, Linyun, Li, Feng, Deng, Weiyin, Liu, Zhengyou“…The recent emergence of topological materials has opened new avenues for modulating elastic waves in solids. However, because of the full-vector feature and the complicated couplings of the longitudinal and transverse components of elastic waves, manipulating elastic waves is generally difficult compared with manipulating acoustic waves (scalar waves) and electromagnetic waves (vectorial waves but transverse only). …”
Publicado 2022
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Enlace del recurso
Online Artículo Texto -
1319“…Starting from geometrical optics we subsequently proceed to an exact numerical solution of the Maxwell equations explaining virtual and real image formation as well as magnification M and resolution near the critical index [Formula: see text] which is of interest for applications demanding the highest M such as cellphone microscopy. The wave effects manifest themselves in a strong dependence of the image plane position and magnification on [Formula: see text] , for which a simple analytical formula is derived. …”
Enlace del recurso
Enlace del recurso
Enlace del recurso
Online Artículo Texto -
1320